E2fsck

e2fsck check a Linux ext2/ext3/ext4 file system

e2fsck -D Optimize directories in filesystems

e2fsck /dev/vda4
e2fsck 1.44.1 (24-Mar-2018)
/dev/vda4 is in use.
e2fsck: Cannot continue, aborting.

Related commands

• fdisk

See also

• ext4 e2fsck, fsck.ext4, superblock, inode, block size, mkfs.ext4 tune2fs, wipefs, resize2fs stat, extents, Review ext4 journalctl logs. Read-only file system, virt-resize, ACL